The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Apr. 13, 2007
John Chiang, Oceanside, CA (US);
Ken-sheng Chiang, Oceanside, CA (US);
John Chiang, Oceanside, CA (US);
Ken-Sheng Chiang, Oceanside, CA (US);
Other;
Abstract
A sign panel made of light transmitting material, has a front displaying side and a rear side, the sign panel has a background portion that is preferably a flat surface and a protruding portion that forms a sign character, wherein a lighting blocking layer attached to said background portion of the sign panel, and a highlight coating coated on said protruding portion of the rear side of the sign panel. Light can go through the protruding portion with a highlight coating. The sign panel can use without a complicated neon light tubes, and the sign panel contains no mercury versus argon based neon tubes. This is a huge win from the environmental side as there is no use for mercury inside LED signs.